Heat oven to 350°.,Stir chopped peanuts, flour, oats, brown sugar, baking soda, salt and egg in a large bowl.,Stir in margarine with a fork until mixture is crumbly.,Press in an ungreased rectangular pan, 13 x 9 x 2-inches.,Bake 10 minutes. Spoon Marshmallow Creme over hot layer.,Let stand 1 minute; spread evenly.,Drizzle topping over Creme.,Sprinkle with 1 1/2 cups of peanuts.,______,Let stand until cool, then loosen edges from side of pan.,Cut into bars.